﻿//Copyright (c) 2010, William Dollins (www.zekiah.com)
//All rights reserved.

//Redistribution and use in source and binary forms, with or 
//without modification, are permitted provided that the following 
//conditions are met:

//Redistributions of source code must retain the above copyright notice, 
//this list of conditions and the following disclaimer.
//Redistributions in binary form must reproduce the above copyright notice, 
//this list of conditions and the following disclaimer in the documentation 
//and/or other materials provided with the distribution.
//Neither the name of Zekiah Technologies, Inc. nor the names of its contributors 
//may be used to endorse or promote products derived from this software without 
//specific prior written permission.

//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
//AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
//IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
//ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
//LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
//CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
//SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
//INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
//CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
//ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
//POSSIBILITY OF SUCH DAMAGE.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using Ionic.Zip;

namespace Zekiah.GeoCommons.ArcGIS.Framework
{
    public class Utils
    {

       public static string ExtractFiles(string zipPathAndFile, string outputFolder, bool deleteZipFile)
        {
            try
            {
                string retval = "";
                using (Ionic.Zip.ZipFile zipfile = Ionic.Zip.ZipFile.Read(zipPathAndFile))
                {
                    // here, we extract every entry, but we could extract conditionally
                    // based on entry name, size, date, checkbox status, etc.  
                    foreach (Ionic.Zip.ZipEntry e in zipfile)
                    {
                        string fullPath = outputFolder + "\\" + e.FileName;
                        if (e.FileName.ToLower().IndexOf(".shp") >= 0)
                        {
                            retval = fullPath;
                        }
                        e.Extract(outputFolder, ExtractExistingFileAction.OverwriteSilently);
                    }
                }
                return retval;
            }
            catch
            {
                return "";
            }
        }
    }
}
